Long-Term Debt (Tables)

6 Months Ended

Jun. 30, 2013

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments [Table Text Block]

The following table presents the outstanding balance, total amount of letters of credit, and available borrowing capacity under the Company’s credit facility as of July 25, 2013, June 30, 2013, and December 31, 2012:

	As of July 25, 2013		As of June 30, 2013		As of December 31, 2012
	(in millions)
Credit facility balance	$	85.0	$	28.0	$	340.0
Letters of credit (1)	$	0.8	$	0.8	$	0.8
Available borrowing capacity	$	1,214.2	$	1,271.2	$	659.2

⁽¹⁾ Letters of credit reduce the amount available under the credit facility on a dollar-for-dollar basis.

Schedule of Debt Instrument Redemption Price, 5% Senior Notes Due 2024 [Table Text Block]

On or after July 15, 2018, the Company may also redeem all or, from time to time, a portion of the 2024 Notes at the redemption prices set forth below, during the twelve-month period beginning on July 15 of each applicable year, expressed as a percentage of the principal amount redeemed, plus accrued and unpaid interest:

2018	102.500	%
2019	101.667	%
2020	100.833	%
2021 and thereafter	100.000	%